ECHINOID is a playable word

echinoid Scrabble® Dictionary

noun
pl. echinoids
a spiny marine animal
104 Playable Words can be made from "ECHINOID"
   2-Letter Words (17 found)
   3-Letter Words (30 found)
   5-Letter Words (11 found)
   6-Letter Words (9 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)